<template>
  <view class="content">
    <view class="navbar">
      <view v-for="(item, index) in navList" :key="index" class="nav-item" :class="{current: tabCurrentIndex === index}" @click="tabClick(index)">
        {{item.text}}
      </view>
    </view>

    <swiper :current="tabCurrentIndex" class="swiper-box" duration="300" @change="changeTab">
      <swiper-item class="tab-content" v-for="(tabItem,tabIndex) in navList" :key="tabIndex">
        <scroll-view class="list-scroll-content" scroll-y @scrolltolower="loadData">
          <!-- 空白页 -->
          <empty v-if="tabItem.loaded === true && tabItem.orderList.length === 0"></empty>

          <!-- 订单列表 -->
          <view v-for="(item,index) in tabItem.orderList" :key="index" class="order-item">
            <navigator :url="'/pages/order/detail?orderid=' + item.id">
              <view class="i-top b-b">
                <text class="time">{{item.gmtCreate | dateFormat}}</text>
                <text class="state">{{statusMap[item.status]}}</text>
              </view>

              <scroll-view v-if="item.skuList.length > 1" class="goods-box" scroll-x>
                <view v-for="(skuItem, skuIndex) in item.skuList" :key="skuIndex" class="goods-item">
                  <image class="goods-img" :src="skuItem.img" mode="aspectFill"></image>
                </view>
              </scroll-view>
              <view v-if="item.skuList.length === 1" class="goods-box-single" v-for="(skuItem, skuIndex) in item.skuList" :key="skuIndex">
                <image class="goods-img" :src="skuItem.img" mode="aspectFill"></image>
                <view class="right">
                  <text class="title clamp">{{skuItem.spuTitle}}</text>
                  <text class="attr-box">{{skuItem.title}} x {{skuItem.num}}</text>
                  <text class="price">{{skuItem.price / 100.0}}</text>
                </view>
              </view>

              <view class="price-box">
                共
                <text class="num">{{item.skuCount}}</text>
                件商品 实付款
                <text class="price">{{item.actualPrice / 100.0}}</text>
              </view>
            </navigator>
            <view class="action-box b-t" v-if="item.status == 10">
              <button :disabled="submiting" class="action-btn" @click="cancelOrder(item)">取消订单</button>
              <button class="action-btn recom" @click="payOrder(item)">立即支付</button>
            </view>
            <view class="action-box b-t" v-if="item.status == 20">
              <button :disabled="submiting" class="action-btn" @click="refundOrder(item)">申请退款</button>
            </view>
            <view class="action-box b-t" v-if="item.status == 30">
              <button :disabled="submiting" class="action-btn" @click="refundOrder(item)">申请退款</button>
              <button :disabled="submiting" class="action-btn" @click="showShipTrace(item)">查看物流</button>
              <button :disabled="submiting" class="action-btn recom" @click="confirmOrder(item)">确认收货</button>
            </view>
            <!-- <view class="action-box b-t" v-if="item.status == 40">
              <view>
                <button :disabled="submiting" class="action-btn recom" @click="appraiseOrder(item)">立即评价</button>
              </view>
            </view> -->
          </view>

          <uni-load-more :status="tabItem.loadingType"></uni-load-more>

        </scroll-view>
      </swiper-item>
    </swiper>
    <neil-modal :show="refundShow" @close="refundShow = false" title="退款" @cancel="refundShow = false" @confirm="refundConfirm">
      <input v-show="refundShow" v-model="inputRefundReason" style="margin:20upx" placeholder="简要描述退款理由.." />
    </neil-modal>
  </view>
</template>

<script>
import neilModal from '@/components/neil-modal/neil-modal.vue'
import uniLoadMore from '@/components/uni-load-more/uni-load-more.vue'
import empty from '@/components/empty'
export default {
  components: {
    uniLoadMore,
    empty,
    neilModal,
  },
  data() {
    return {
      statusMap: {
        10: '未付款',
        12: '正在拼团',
        20: '待出库',
        30: '待收货',
        40: '待评价',
        50: '已完成',
        60: '退款中',
        70: '已退款',
        80: '已取消',
        90: '已取消(系统)',
      },
      submiting: false,
      refundShow: false,
      inputRefundReason: '',
      refundOrderItem: '',
      tabCurrentIndex: 0,
      navList: [
        {
          state: 0,
          text: '全部',
          loadingType: 'more',
          pageNo: 1,
          orderList: [],
        },
        {
          state: 10,
          text: '待付款',
          loadingType: 'more',
          pageNo: 1,
          orderList: [],
        },
        {
          state: 20,
          text: '待出库',
          loadingType: 'more',
          pageNo: 1,
          orderList: [],
        },
        {
          state: 30,
          text: '待收货',
          loadingType: 'more',
          pageNo: 1,
          orderList: [],
        },
        // {
        //   state: 40,
        //   text: '待评价',
        //   loadingType: 'more',
        //   pageNo: 1,
        //   orderList: [],
        // },
        {
          state: 60,
          text: '退款中',
          loadingType: 'more',
          pageNo: 1,
          orderList: [],
        },
      ],
    }
  },
  onLoad(options) {
    /**
     * 修复app端点击除全部订单外的按钮进入时不加载数据的问题
     * 替换onLoad下代码即可
     */
    this.tabCurrentIndex = 0
    for (let i = 0; i < this.navList.length; i++) {
      if (this.navList[i].state === parseInt(options.state)) {
        this.tabCurrentIndex = i
      }
    }
    // #ifndef MP
    this.loadData()
    // #endif
    // #ifdef MP
    if (options.state == 0) {
      this.loadData()
    }
    // #endif
  },

  methods: {
    //获取订单列表
    loadData(source) {
      const that = this
      //这里是将订单挂载到tab列表下
      let index = that.tabCurrentIndex
      let navItem = that.navList[index]
      let state = navItem.state

      if (source === 'tabChange' && navItem.loaded === true) {
        //tab切换只有第一次需要加载数据
        return
      }
      if (navItem.loadingType === 'loading') {
        //防止重复加载
        return
      }

      navItem.loadingType = 'loading'

      let orderList = that.$api
        .request('order', 'getOrderPage', {
          pageNo: navItem.pageNo,
          status: navItem.state,
        })
        .then((res) => {
          navItem.pageNo = res.data.pageNo + 1
          navItem.loadingType =
            res.data.pageNo < res.data.totalPageNo ? 'more' : 'noMore'
          res.data.items.forEach((item) => {
            navItem.orderList.push(item)
            item.skuCount = 0
            item.skuList.forEach((skuItem) => {
              item.skuCount += skuItem.num
            })
          })
          //loaded新字段用于表示数据加载完毕，如果为空可以显示空白页
          that.$set(navItem, 'loaded', true)
        })
    },

    //swiper 切换
    changeTab(e) {
      this.tabCurrentIndex = e.target.current
      this.loadData('tabChange')
    },
    //顶部tab点击
    tabClick(index) {
      this.tabCurrentIndex = index
    },
    payOrder(item) {
      uni.navigateTo({
        url:
          '/pages/pay/pay?orderno=' +
          item.orderNo +
          '&price=' +
          item.actualPrice,
      })
    },
    //取消订单
    cancelOrder(item) {
      const that = this
      uni.showModal({
        title: '取消？',
        content: '您确定要取消此订单吗？',
        success: (e) => {
          if (e.confirm) {
            that.submiting = true
            that.$api
              .request(
                'order',
                'cancel',
                {
                  orderNo: item.orderNo,
                },
                (failres) => {
                  that.submiting = false
                  that.$api.msg(failres.errmsg)
                }
              )
              .then((res) => {
                that.submiting = false
                item.status = 80
              })
          }
        },
      })
    },
    //订单退款
    refundConfirm() {
      const that = this
      if (that.submiting) {
        return
      }
      that.submiting = true
      that.$api
        .request(
          'order',
          'refund',
          {
            orderNo: that.refundOrderItem.orderNo,
            reason: that.inputRefundReason,
          },
          (failres) => {
            that.submiting = false
            that.$api.msg(failres.errmsg)
          }
        )
        .then((res) => {
          that.submiting = false
          that.refundOrderItem.status = 60
          that.$api.msg('申请退款成功！')
        })
    },
    refundOrder(item) {
      const that = this
      that.refundOrderItem = item
      that.refundShow = true
      that.inputRefundReason = ''
    },
    //确认订单
    confirmOrder(item) {
      const that = this
      uni.showModal({
        title: '收货？',
        content: '您确定要确认收货吗？',
        success: (e) => {
          if (e.confirm) {
            that.submiting = true
            that.$api
              .request(
                'order',
                'confirm',
                {
                  orderNo: item.orderNo,
                },
                (failres) => {
                  that.submiting = false
                  that.$api.msg(failres.errmsg)
                }
              )
              .then((res) => {
                that.submiting = false
                item.status = 40
              })
          }
        },
      })
    },
    showShipTrace(item) {
      uni.navigateTo({
        url: '/pages/order/trace?orderno=' + item.orderNo,
      })
    },
    //评价订单
    appraiseOrder(item) {
      uni.navigateTo({
        url: '/pages/order/appraise?orderid=' + item.id,
      })
    },
  },
}
</script>

<style lang="scss">
page,
.content {
  background: $page-color-base;
  height: 100%;
}

.swiper-box {
  height: calc(100% - 40px);
}

.list-scroll-content {
  height: 100%;
}

.navbar {
  display: flex;
  height: 40px;
  padding: 0 5px;
  background: #fff;
  box-shadow: 0 1px 5px rgba(0, 0, 0, 0.06);
  position: relative;
  z-index: 10;

  .nav-item {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    font-size: 15px;
    color: $font-color-dark;
    position: relative;

    &.current {
      color: $base-color;

      &:after {
        content: '';
        position: absolute;
        left: 50%;
        bottom: 0;
        transform: translateX(-50%);
        width: 44px;
        height: 0;
        border-bottom: 2px solid $base-color;
      }
    }
  }
}

.uni-swiper-item {
  height: auto;
}

.order-item {
  display: flex;
  flex-direction: column;
  padding-left: 30upx;
  background: #fff;
  margin-top: 16upx;

  .i-top {
    display: flex;
    align-items: center;
    height: 80upx;
    padding-right: 30upx;
    font-size: $font-base;
    color: $font-color-dark;
    position: relative;

    .time {
      flex: 1;
    }

    .state {
      color: $base-color;
    }

    .del-btn {
      padding: 10upx 0 10upx 36upx;
      font-size: $font-lg;
      color: $font-color-light;
      position: relative;

      &:after {
        content: '';
        width: 0;
        height: 30upx;
        border-left: 1px solid $border-color-dark;
        position: absolute;
        left: 20upx;
        top: 50%;
        transform: translateY(-50%);
      }
    }
  }

  /* 多条商品 */
  .goods-box {
    height: 160upx;
    padding: 20upx 0;
    white-space: nowrap;

    .goods-item {
      width: 120upx;
      height: 120upx;
      display: inline-block;
      margin-right: 24upx;
    }

    .goods-img {
      display: block;
      width: 100%;
      height: 100%;
    }
  }

  /* 单条商品 */
  .goods-box-single {
    display: flex;
    padding: 20upx 0;

    .goods-img {
      display: block;
      width: 120upx;
      height: 120upx;
    }

    .right {
      flex: 1;
      display: flex;
      flex-direction: column;
      padding: 0 30upx 0 24upx;
      overflow: hidden;

      .title {
        font-size: $font-base + 2upx;
        color: $font-color-dark;
        line-height: 1;
      }

      .attr-box {
        font-size: $font-sm + 2upx;
        color: $font-color-light;
        padding: 10upx 12upx;
      }

      .price {
        font-size: $font-base + 2upx;
        color: $font-color-dark;

        &:before {
          content: '￥';
          font-size: $font-sm;
          margin: 0 2upx 0 8upx;
        }
      }
    }
  }

  .price-box {
    display: flex;
    justify-content: flex-end;
    align-items: baseline;
    padding: 20upx 30upx;
    font-size: $font-sm + 2upx;
    color: $font-color-light;

    .num {
      margin: 0 8upx;
      color: $font-color-dark;
    }

    .price {
      font-size: $font-lg;
      color: $font-color-dark;

      &:before {
        content: '￥';
        font-size: $font-sm;
        margin: 0 2upx 0 8upx;
      }
    }
  }

  .action-box {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    height: 100upx;
    position: relative;
    padding-right: 30upx;
  }

  .action-btn {
    width: 160upx;
    height: 60upx;
    margin: 0;
    margin-left: 24upx;
    padding: 0;
    text-align: center;
    line-height: 60upx;
    font-size: $font-sm + 2upx;
    color: $font-color-dark;
    background: #fff;
    border-radius: 100px;

    &:after {
      border-radius: 100px;
    }

    &.recom {
      background: #fff9f9;
      color: $base-color;

      &:after {
        border-color: #f7bcc8;
      }
    }
  }
}

/* load-more */
.uni-load-more {
  display: flex;
  flex-direction: row;
  height: 80upx;
  align-items: center;
  justify-content: center;
}

.uni-load-more__text {
  font-size: 28upx;
  color: #999;
}

.uni-load-more__img {
  height: 24px;
  width: 24px;
  margin-right: 10px;
}

.uni-load-more__img > view {
  position: absolute;
}

.uni-load-more__img > view view {
  width: 6px;
  height: 2px;
  border-top-left-radius: 1px;
  border-bottom-left-radius: 1px;
  background: #999;
  position: absolute;
  opacity: 0.2;
  transform-origin: 50%;
  animation: load 1.56s ease infinite;
}

.uni-load-more__img > view view:nth-child(1) {
  transform: rotate(90deg);
  top: 2px;
  left: 9px;
}

.uni-load-more__img > view view:nth-child(2) {
  transform: rotate(180deg);
  top: 11px;
  right: 0;
}

.uni-load-more__img > view view:nth-child(3) {
  transform: rotate(270deg);
  bottom: 2px;
  left: 9px;
}

.uni-load-more__img > view view:nth-child(4) {
  top: 11px;
  left: 0;
}

.load1,
.load2,
.load3 {
  height: 24px;
  width: 24px;
}

.load2 {
  transform: rotate(30deg);
}

.load3 {
  transform: rotate(60deg);
}

.load1 view:nth-child(1) {
  animation-delay: 0s;
}

.load2 view:nth-child(1) {
  animation-delay: 0.13s;
}

.load3 view:nth-child(1) {
  animation-delay: 0.26s;
}

.load1 view:nth-child(2) {
  animation-delay: 0.39s;
}

.load2 view:nth-child(2) {
  animation-delay: 0.52s;
}

.load3 view:nth-child(2) {
  animation-delay: 0.65s;
}

.load1 view:nth-child(3) {
  animation-delay: 0.78s;
}

.load2 view:nth-child(3) {
  animation-delay: 0.91s;
}

.load3 view:nth-child(3) {
  animation-delay: 1.04s;
}

.load1 view:nth-child(4) {
  animation-delay: 1.17s;
}

.load2 view:nth-child(4) {
  animation-delay: 1.3s;
}

.load3 view:nth-child(4) {
  animation-delay: 1.43s;
}

@-webkit-keyframes load {
  0% {
    opacity: 1;
  }

  100% {
    opacity: 0.2;
  }
}
</style>
